The 2019 schedule will be available closer to the event date

Race Weekend Essentials

Racing Series

IMSA’s flagship series competes at 12 of North America’s leading sports car venues. The competition takes place in four classes – Daytona Prototype International, Le Mans Prototype 2, GT Le Mans and GT Daytona – and brings together renowned drivers with leading manufacturers for some of the world’s biggest sports car events, such as the Rolex 24 At Daytona and Mobil 1 Twelve Hours of Sebring. Follow and join the conversation with #IWTSC

From the showroom to the speedway, the IMSA Michelin Pilot Challenge is IMSA’s showcase for the latest in American-made and imported high-performance sports cars, coupes, hatchbacks and sedans. This series is home to the same cars seen on streets and highways around the world and offers racing in three classes – Grand Sport and the TCR class – running a 10-race schedule in tandem with the WeatherTech Championship.

The IMSA Prototype Challenge series is a multi-class platform for future IMSA WeatherTech SportsCar Championship drivers and veteran drivers alike.

Entering its 14th season, IMSA Prototype Challenge shifts to a single-class, endurance race format in 2019 with six races held on North America’s most premier road courses. The series will continue to feature the global-spec LMP3 prototypes. The endurance format pairs two-drivers per car in a six race season.

The IMSA-sanctioned Porsche GT3 Cup Challenge USA by Yokohama is now in its 15th season as one of Porsche’s 21 single-make Cup Challenge series in the world. The series produces intense, exciting competition for semi-professional and aspiring professional drivers in the world’s most produced and iconic racecar, the Porsche 911 GT3 Cup. Follow and join the conversation with #GT3USA